Questions tagged as 'xamarin'

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Back Button does not appear in NavigationBar XamarinForms

I have a Menu Burger with a ListView where in the Click of the line of the listview I call this method to open a Modal, however the NavigationBar does not appear the BackButton. public async Task OpenModalAsync(Page poPage, bool bNavigatio...
asked by 20.03.2018 / 20:06
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How to add an icon to the button in xamarin?

Well, I've come across a silly thing here that has left me stuck, I'd like to put an icon on a button inside the layout of my application, so I'm not able to do it under my button code ... could someone tell me how to do this ?? <Button Te...
asked by 08.02.2018 / 17:28
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How to reduce the size of this navigation bar?

I am doing this application and I needed to remove the back arrow, and after doing this removal the bar continued to exist, leaving it very large and inelegant for my application ... Does anyone know tell me how to do it ? Below the image of how...
asked by 08.02.2018 / 12:33
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How to hide the arrow coming back in xamarin?

In my mobile application I would not like the home page to be back, because if you do that the person will return to the login screen. How do I remove this arrow from this page only?     
asked by 06.02.2018 / 12:47
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How to use resource files in the XAML file (Xamarin)

I'm trying to use resource files in my Xamarin Forms project but I'm not sure how to reference the file string. Ex: <Label Text="MyApp.Resources.MinhaString" /> . Does anyone know how to do it?     
asked by 02.12.2017 / 17:55
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Xamarin How to change the color of the Menu and Selected Item?

How to change the blue colors of the "selected item" and menu in Xamarin? See the pictures: Menu MenuSelection ItriedtochangedirectlyintheHomeview,butifIaddbackgroundcolorandthecolorIwant,itendsupchangingthecolorofthepage,butthemenuisstil...
asked by 21.01.2018 / 15:40
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Xamarin: Pass data from the selected item in a ListView to another screen

How do I move selected data from one screen to another in Xamarin? I have a ListView that receives information from an Api and I want the user to click on the item, view this information on another screen, below the private async void On...
asked by 03.02.2018 / 23:25
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Drag ListView item

Can anyone tell me how to drag a ListView item to one side or the other? Preferably a form that serves the Android / iOS Cross-Platform     
asked by 30.10.2017 / 02:54
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Signaling incoming messages

The customer has 7 stores and an array. Someone in the matrix with decision power, will keep your mobile in hand with an application. When an employee at one of the stores needs to approve a discount greater than what she can give, she then send...
asked by 21.08.2017 / 18:30
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Chart pizza is not being "sliced" using SfChart

I made this chart using Syncfusion Chart, private async void CriaChart() { SfChart chart = new SfChart(); DataService dataService = new DataService(); try { PieSeries pieSeries = new PieSeries() { I...
asked by 20.10.2017 / 19:59